The Magnetic Interference Hall Accelerator
نویسندگان
چکیده
This paper introduces a new concept for the magnetic field in a Hall-effect thruster. The Magnetic Interference Hall Accelerator (MIHA) uses independent magnetic circuit elements to put its peak magnetic field outside its exit plane. As a result, the zone of minimum electron mobility is outside its exit plane, as well as its ion acceleration zone. Wall-effects are reduced, and ion bombardment of the channel wall is moderated. The design and operating behavior of a MIHA prototype is detailed, and thrust is determined at several operating conditions. The plasma potential is measured, and verifies an external acceleration zone.
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